/* ===================================
   SMS 발신시스템 v2.0 - Modern Balanced Design
   =================================== */

/* Root Variables */
:root {
    /* Primary Colors */
    --primary: #5B5FCF;
    --primary-hover: #4B4FBF;
    --primary-light: #F0F1FF;
    --primary-lighter: #F8F8FF;

    /* Accent Colors */
    --accent-purple: #9333EA;
    --accent-blue: #3B82F6;
    --accent-teal: #14B8A6;
    --accent-pink: #EC4899;

    /* Semantic Colors */
    --success: #22C55E;
    --success-light: #BBF7D0;
    --success-bg: #F0FDF4;
    --warning: #F59E0B;
    --warning-light: #FED7AA;
    --warning-bg: #FFFBEB;
    --danger: #EF4444;
    --danger-light: #FECACA;
    --danger-bg: #FEF2F2;
    --info: #06B6D4;
    --info-light: #A5F3FC;
    --info-bg: #F0FDFA;

    /* Neutral Colors */
    --white: #FFFFFF;
    --gray-50: #F8FAFC;
    --gray-100: #F1F5F9;
    --gray-200: #E2E8F0;
    --gray-300: #CBD5E1;
    --gray-400: #94A3B8;
    --gray-500: #64748B;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1E293B;
    --gray-900: #0F172A;

    /* Layout */
    --sidebar-width: 260px;
    --header-height: 70px;

    /* Effects */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    /* Border */
    --radius-sm: 6px;
    --radius: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;

    /* Transitions */
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Global Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Pretendard Variable', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--gray-50);
    color: var(--gray-800);
    line-height: 1.5;
    font-size: 14px;
    min-height: 100vh;
}

/* Container */
.container {
    max-width: 1600px;
    margin: 0 auto;
}

/* Top Header */
.top-header {
    background: var(--white);
    height: var(--header-height);
    border-bottom: 1px solid var(--gray-200);
    padding: 0 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-section h1 {
    font-size: 22px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-section .badge {
    background: linear-gradient(135deg, var(--primary), var(--accent-purple));
    color: white;
    padding: 4px 10px;
    border-radius: var(--radius-xl);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.user-section {
    display: flex;
    align-items: center;
    gap: 20px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    font-size: 14px;
    color: var(--gray-700);
}

.user-info i {
    font-size: 16px;
    color: var(--primary);
}

.logout-btn {
    padding: 10px 20px;
    background: linear-gradient(135deg, var(--danger), #DC2626);
    color: white;
    border: none;
    border-radius: var(--radius);
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.2);
}

.logout-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

/* Main Layout */
.main-layout {
    display: flex;
    min-height: calc(100vh - var(--header-height));
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--white);
    border-right: 1px solid var(--gray-200);
    overflow-y: auto;
    flex-shrink: 0;
}

/* Quick Stats */
.quick-stats {
    padding: 20px 16px;
    border-bottom: 1px solid var(--gray-200);
}

.quick-stats h3 {
    font-size: 12px;
    font-weight: 600;
    color: var(--gray-700);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--gray-100);
    transition: var(--transition);
}

.stat-item:last-child {
    border-bottom: none;
}

.stat-item:hover {
    background: rgba(91, 95, 207, 0.05);
    margin: 0 -8px;
    padding: 8px 8px;
    border-radius: var(--radius-sm);
}


.stat-label {
    font-size: 13px;
    color: var(--gray-600);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}

.stat-label::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--gray-400);
    flex-shrink: 0;
}

.stat-value {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-800);
}

.stat-item:nth-child(1) .stat-label::before { background: var(--warning); } /* 발송 대기 */
.stat-item:nth-child(2) .stat-label::before { background: var(--info); } /* 발송 중 */
.stat-item:nth-child(3) .stat-label::before { background: var(--success); } /* 발송 완료 */
.stat-item:nth-child(4) .stat-label::before { background: var(--danger); } /* 발송 실패 */
.stat-item:nth-child(5) .stat-label::before { background: var(--primary); } /* SMS 잔여 */
.stat-item:nth-child(6) .stat-label::before { background: var(--accent-purple); } /* LMS 잔여 */
.stat-item:nth-child(7) .stat-label::before { background: var(--accent-teal); } /* 연락처 */

.stat-value.warning {
    color: var(--warning);
}

.stat-value.success {
    color: var(--success);
}

.stat-value.danger {
    color: var(--danger);
}

/* Quick Menu */
.quick-menu {
    padding: 20px 16px;
}

.quick-menu h3 {
    font-size: 12px;
    font-weight: 600;
    color: var(--gray-700);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
}

.menu-item {
    display: flex;
    align-items: center;
    padding: 10px 12px;
    margin-bottom: 4px;
    color: var(--gray-700);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    background: transparent;
}

.menu-item:hover {
    background: rgba(91, 95, 207, 0.05);
    color: var(--primary);
}

.menu-item.active {
    background: var(--primary);
    color: var(--white);
}

.menu-item i {
    font-size: 14px;
    margin-right: 12px;
    width: 16px;
    text-align: center;
}

.menu-item span {
    font-size: 13px;
    font-weight: 500;
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 30px;
    overflow-y: auto;
    background: var(--gray-50);
}

/* Stats Summary Cards */
.stats-summary {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.summary-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.summary-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent-purple));
}

.summary-card.success::before {
    background: linear-gradient(90deg, var(--success), var(--accent-teal));
}

.summary-card.warning::before {
    background: linear-gradient(90deg, var(--warning), var(--accent-pink));
}

.summary-card.info::before {
    background: linear-gradient(90deg, var(--info), var(--accent-blue));
}

.summary-card.danger::before {
    background: linear-gradient(90deg, var(--danger), var(--accent-pink));
}

.summary-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.summary-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.summary-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.summary-icon {
    font-size: 18px;
    color: var(--primary);
    opacity: 0.5;
}

.summary-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.summary-detail {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
}

.summary-change {
    display: flex;
    align-items: center;
    gap: 4px;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: var(--radius-sm);
}

.summary-change.up {
    color: var(--success);
    background: var(--success-bg);
}

.summary-change.down {
    color: var(--danger);
    background: var(--danger-bg);
}

.summary-sub {
    color: var(--gray-500);
}

/* Dashboard Content Grid */
.dashboard-content-grid {
    display: grid;
    grid-template-columns: 400px 1fr 340px;
    gap: 30px;
}

.dashboard-left-column,
.dashboard-middle-column,
.dashboard-right-column {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* Cards Common Style */
.quick-send-widget,
.weekly-trend-chart,
.message-analysis,
.monthly-comparison,
.template-shortcuts,
.recent-history,
.contact-management {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

/* Section Headers */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--gray-100);
}

.section-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--gray-900);
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-title i {
    font-size: 16px;
    color: var(--primary);
}

/* Quick Send Form */
.send-form .form-group {
    margin-bottom: 20px;
}

.send-form label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.send-form input,
.send-form textarea {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 14px;
    font-family: 'Pretendard Variable', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    transition: var(--transition);
    background: var(--gray-50);
}

.send-form input:focus,
.send-form textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.char-count {
    text-align: right;
    font-size: 12px;
    color: var(--gray-500);
    margin-top: 6px;
    font-weight: 500;
}

.send-btn {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, var(--primary), var(--accent-purple));
    color: white;
    border: none;
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 4px 12px rgba(91, 95, 207, 0.3);
}

.send-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(91, 95, 207, 0.4);
}

/* Weekly Trend Chart */
.trend-summary {
    display: flex;
    gap: 20px;
    font-size: 14px;
}

.trend-total {
    color: var(--primary);
    font-weight: 700;
}

.trend-avg {
    color: var(--gray-500);
}

.trend-chart {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    height: 140px;
    padding: 16px 8px;
    background: var(--gray-50);
    border-radius: var(--radius);
    gap: 12px;
}

.trend-day-stat {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    position: relative;
}

.trend-bar {
    width: 100%;
    max-width: 45px;
    background: linear-gradient(180deg, var(--primary), var(--accent-purple));
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    position: relative;
    min-height: 8px;
    transition: var(--transition);
}

.trend-bar:hover {
    opacity: 0.9;
    transform: scaleY(1.05);
}

.trend-bar::after {
    content: attr(data-count) '건';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gray-900);
    color: white;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 600;
    white-space: nowrap;
    margin-bottom: 6px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
}

.trend-bar:hover::after {
    opacity: 1;
}

.trend-day-label {
    margin-top: 10px;
    font-size: 12px;
    color: var(--gray-600);
    font-weight: 600;
}

/* Message Analysis */
.analysis-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.analysis-card {
    padding: 20px;
    background: var(--gray-50);
    border-radius: var(--radius);
    display: flex;
    gap: 16px;
    transition: var(--transition);
    border: 2px solid transparent;
}

.analysis-card.sms {
    background: linear-gradient(135deg, var(--primary-lighter), var(--primary-light));
    border-color: var(--primary);
}

.analysis-card.lms {
    background: linear-gradient(135deg, var(--warning-bg), var(--warning-light));
    border-color: var(--warning);
}

.analysis-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.analysis-icon {
    width: 48px;
    height: 48px;
    background: var(--white);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: var(--shadow);
}

.analysis-icon i {
    font-size: 22px;
}

.analysis-card.sms .analysis-icon i {
    color: var(--primary);
}

.analysis-card.lms .analysis-icon i {
    color: var(--warning);
}

.analysis-info {
    flex: 1;
}

.analysis-info h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 10px;
}

.analysis-stats {
    display: flex;
    gap: 20px;
    margin-bottom: 12px;
}

.analysis-stat-item {
    display: flex;
    flex-direction: column;
}

.analysis-stat-label {
    font-size: 11px;
    color: var(--gray-600);
    font-weight: 500;
}

.analysis-stat-value {
    font-size: 16px;
    font-weight: 700;
    color: var(--gray-900);
}

.analysis-stat-value.primary {
    color: var(--primary);
}

.analysis-percentage {
    display: flex;
    align-items: center;
    gap: 10px;
}

.percentage-bar {
    flex: 1;
    height: 6px;
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.percentage-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent-purple));
    border-radius: var(--radius-xl);
    transition: width 0.3s ease;
}

.percentage-fill.lms {
    background: linear-gradient(90deg, var(--warning), var(--accent-pink));
}

.percentage-text {
    font-size: 12px;
    font-weight: 700;
    color: var(--gray-800);
}

/* Monthly Comparison */
.comparison-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.comparison-item {
    text-align: center;
    padding: 20px;
    background: var(--gray-50);
    border-radius: var(--radius);
    transition: var(--transition);
}

.comparison-item:hover {
    background: var(--gray-100);
    transform: translateY(-2px);
}

.comparison-period {
    font-size: 12px;
    color: var(--gray-600);
    font-weight: 600;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.comparison-value {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 10px;
}

.comparison-value.current {
    background: linear-gradient(135deg, var(--primary), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.comparison-value.previous {
    color: var(--gray-700);
}

.comparison-change {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
}

.comparison-change.up {
    color: var(--success);
    background: var(--success-bg);
}

.comparison-change.down {
    color: var(--danger);
    background: var(--danger-bg);
}

.comparison-avg {
    font-size: 12px;
    color: var(--gray-500);
}

/* Template Shortcuts */
.view-all-link {
    font-size: 13px;
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.view-all-link:hover {
    color: var(--accent-purple);
}

.template-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.template-item {
    padding: 16px;
    background: var(--gray-50);
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.template-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--primary), var(--accent-purple));
}

.template-item:hover {
    border-color: var(--primary);
    background: var(--primary-lighter);
    transform: translateX(4px);
}

.template-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 6px;
}

.template-content {
    font-size: 13px;
    color: var(--gray-600);
    line-height: 1.5;
    margin-bottom: 12px;
}

.template-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.template-use-count {
    font-size: 12px;
    color: var(--gray-500);
    font-weight: 500;
}

.template-use-btn {
    padding: 6px 14px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.template-use-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

.no-templates {
    text-align: center;
    padding: 32px;
    color: var(--gray-500);
    font-size: 14px;
}

.no-templates a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

/* Recent History */
.history-filter {
    display: flex;
    gap: 8px;
}

.filter-btn {
    padding: 6px 12px;
    background: var(--gray-100);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 600;
    color: var(--gray-600);
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover {
    background: var(--gray-200);
    color: var(--gray-800);
}

.filter-btn.active {
    background: var(--primary);
    color: white;
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-height: 380px;
    overflow-y: auto;
}

.history-list::-webkit-scrollbar {
    width: 6px;
}

.history-list::-webkit-scrollbar-track {
    background: var(--gray-100);
    border-radius: var(--radius-xl);
}

.history-list::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: var(--radius-xl);
}

.history-item {
    padding: 14px;
    background: var(--gray-50);
    border-radius: var(--radius);
    border-left: 4px solid var(--gray-300);
    transition: var(--transition);
}

.history-item.success {
    border-left-color: var(--success);
}

.history-item.failed {
    border-left-color: var(--danger);
}

.history-item:hover {
    background: var(--gray-100);
    transform: translateX(4px);
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    font-size: 12px;
}

.history-time {
    color: var(--gray-500);
    font-weight: 500;
}

.history-type {
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 11px;
}

.history-type.sms {
    background: var(--primary-light);
    color: var(--primary);
}

.history-type.lms {
    background: var(--warning-bg);
    color: var(--warning);
}

.history-status {
    font-weight: 600;
}

.history-item.success .history-status {
    color: var(--success);
}

.history-item.failed .history-status {
    color: var(--danger);
}

.history-body {
    display: block;
}

.history-phone {
    font-size: 13px;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 4px;
}

.history-message {
    font-size: 13px;
    color: var(--gray-600);
    line-height: 1.4;
}

.no-history {
    text-align: center;
    padding: 40px;
    color: var(--gray-500);
    font-size: 14px;
}

.history-footer {
    margin-top: 16px;
    text-align: center;
}

.view-all-btn {
    display: inline-block;
    padding: 10px 20px;
    background: linear-gradient(135deg, var(--primary), var(--accent-purple));
    color: white;
    text-decoration: none;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: 0 2px 8px rgba(91, 95, 207, 0.3);
}

.view-all-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(91, 95, 207, 0.4);
}

/* Contact Management */
.contact-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 20px;
}

.contact-stat-item {
    text-align: center;
    padding: 20px;
    background: var(--gray-50);
    border-radius: var(--radius);
    transition: var(--transition);
}

.contact-stat-item:hover {
    background: var(--gray-100);
    transform: translateY(-2px);
}

.contact-stat-label {
    font-size: 12px;
    color: var(--gray-500);
    margin-bottom: 8px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--gray-800);
}

.contact-stat-value.new {
    background: linear-gradient(135deg, var(--success), var(--accent-teal));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.contact-action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    text-decoration: none;
    color: var(--gray-700);
    font-size: 13px;
    font-weight: 600;
    transition: var(--transition);
}

.contact-action-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-lighter);
    transform: translateY(-2px);
}

.contact-action-btn i {
    font-size: 16px;
}

/* Footer */
.site-footer {
    background: var(--white);
    border-top: 2px solid var(--gray-200);
    margin-top: 50px;
    padding: 40px 30px 30px;
}

.footer-content {
    max-width: 1600px;
    margin: 0 auto;
}

.footer-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--gray-200);
}

.footer-brand h3 {
    font-size: 18px;
    color: var(--gray-800);
    margin-bottom: 10px;
    font-weight: 700;
}

.footer-brand p {
    color: var(--gray-600);
    font-size: 14px;
}

.footer-links {
    display: flex;
    gap: 60px;
}

.link-group h4 {
    font-size: 13px;
    font-weight: 700;
    color: var(--gray-700);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.link-group ul {
    list-style: none;
}

.link-group li {
    margin-bottom: 10px;
}

.link-group a {
    color: var(--gray-600);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

.link-group a:hover {
    color: var(--primary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: var(--gray-500);
    font-size: 13px;
}

.footer-stats {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    color: var(--gray-600);
}

.text-success {
    color: var(--success);
    font-weight: 600;
}

/* Alert Notification */
.alert {
    position: fixed;
    top: 90px;
    right: 30px;
    padding: 14px 20px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-xl);
    z-index: 9999;
    animation: slideIn 0.3s ease-out;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 300px;
}

@keyframes slideIn {
    from {
        transform: translateX(120%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.alert-success {
    background: linear-gradient(135deg, var(--success), var(--accent-teal));
    color: white;
}

.alert-warning {
    background: linear-gradient(135deg, var(--warning), var(--accent-pink));
    color: white;
}

.alert-danger {
    background: linear-gradient(135deg, var(--danger), var(--accent-pink));
    color: white;
}

.alert-info {
    background: linear-gradient(135deg, var(--info), var(--accent-blue));
    color: white;
}

/* Responsive Design */
@media (max-width: 1400px) {
    .dashboard-content-grid {
        grid-template-columns: 1fr 1fr;
    }

    .dashboard-right-column {
        grid-column: span 2;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
}

@media (max-width: 1024px) {
    .main-layout {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--gray-200);
    }

    .quick-stats {
        display: none;
    }

    .dashboard-content-grid {
        grid-template-columns: 1fr;
    }

    .stats-summary {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .main-content {
        padding: 20px;
    }

    .stats-summary {
        grid-template-columns: 1fr;
    }

    .analysis-grid,
    .comparison-stats,
    .contact-stats,
    .contact-actions {
        grid-template-columns: 1fr;
    }

    .footer-info {
        flex-direction: column;
        gap: 30px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 3px solid var(--gray-200);
    border-radius: 50%;
    border-top-color: var(--primary);
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 공통 페이지 스타일 - 컴팩트 */
.page-header {
    background: var(--white);
    padding: 16px 20px;
    margin: 0 0 20px 0;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary);
}

.page-header h2 {
    margin: 0 0 6px 0;
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-900);
    display: flex;
    align-items: center;
    gap: 10px;
}

.page-header h2 i {
    color: var(--primary);
    font-size: 18px;
}

.page-header p {
    margin: 0;
    color: var(--gray-600);
    font-size: 13px;
    line-height: 1.4;
}

/* 공통 폼 컨테이너 */
.form-container {
    background: var(--white);
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    padding: 20px;
    margin-bottom: 20px;
}

.form-header {
    margin-bottom: 16px;
}

.form-header h3 {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-900);
    display: flex;
    align-items: center;
    gap: 6px;
}

.form-header h3 i {
    color: var(--primary);
    font-size: 13px;
}

.form-content {
    padding: 0;
}

/* ===================================
   프로필 설정 페이지 전용 스타일
   =================================== */

/* 프로필 폼 섹션 */
.form-section {
    margin-bottom: 16px;
}

.form-section h3 {
    margin: 0 0 12px 0;
    padding: 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-900);
    display: flex;
    align-items: center;
    gap: 6px;
}

.form-section h3 i {
    color: var(--primary);
    font-size: 13px;
}

/* 프로필 폼 행과 그룹 */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 12px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.form-group label {
    font-size: 12px;
    font-weight: 500;
    color: var(--gray-700);
    display: flex;
    align-items: center;
    gap: 4px;
}

.form-group label i {
    color: var(--primary);
    font-size: 11px;
    width: 12px;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 8px 10px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 12px;
    transition: border-color 0.2s ease;
    background: var(--white);
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 60px;
    line-height: 1.4;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-400);
}

/* 미리보기 박스 */
.preview-box {
    background: var(--gray-50);
    border-radius: var(--radius);
    padding: 16px;
    margin-top: 16px;
    margin-bottom: 16px;
    border: 1px dashed var(--gray-300);
}

.preview-content {
    font-size: 13px;
    line-height: 1.5;
    color: var(--gray-700);
}

.preview-content .highlight {
    background: var(--primary-light);
    padding: 1px 4px;
    border-radius: 3px;
    font-weight: 500;
    color: var(--primary);
}

/* 폼 액션 버튼 영역 */
.form-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.form-actions .btn-primary {
    background: var(--primary);
    color: var(--white);
    border: none;
    padding: 12px 24px;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-actions .btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(91, 95, 207, 0.3);
}

.form-actions .btn-secondary {
    background: var(--gray-100);
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
    padding: 12px 24px;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-actions .btn-secondary:hover {
    background: var(--gray-200);
    border-color: var(--gray-400);
    color: var(--gray-800);
}

/* 모바일 반응형 */
@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .form-actions {
        flex-direction: column;
    }
}

/* ===================================
   연락처 관리 페이지 전용 스타일
   =================================== */

/* 검색 폼 */
.search-form .d-flex {
    display: flex;
    gap: 10px;
    align-items: center;
}

.search-form .form-control {
    padding: 8px 10px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 12px;
}

.search-form .form-control:focus {
    outline: none;
    border-color: var(--primary);
}

/* 통계 카드 */
.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}

.stat-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 12px;
    text-align: center;
}

.stat-card .stat-number {
    display: block;
    font-size: 16px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 2px;
}

.stat-card .stat-label {
    font-size: 10px;
    color: var(--gray-600);
    font-weight: 500;
    margin: 0;
}

/* 테이블 컨테이너 */
.table-container {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    overflow: hidden;
}

.table-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--gray-200);
    background: var(--gray-50);
}

.table-header h3 {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-900);
    display: flex;
    align-items: center;
    gap: 6px;
}

.table-header h3 i {
    color: var(--primary);
    font-size: 13px;
}

.table-actions {
    font-size: 11px;
    color: var(--gray-500);
}

/* 테이블 스타일 */
.table-responsive {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
    margin: 0;
}

.table th {
    background: var(--gray-50);
    padding: 12px 16px;
    font-size: 12px;
    font-weight: 600;
    color: var(--gray-700);
    border-bottom: 1px solid var(--gray-200);
    text-align: left;
    white-space: nowrap;
}

.table td {
    padding: 12px 16px;
    font-size: 12px;
    color: var(--gray-700);
    border-bottom: 1px solid var(--gray-100);
    vertical-align: middle;
}

.table tr:hover td {
    background: var(--gray-50);
}

.table td strong {
    color: var(--gray-900);
    font-weight: 600;
}

/* 그룹 배지 */
.group-badge {
    background: var(--primary-light);
    color: var(--primary);
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 10px;
    font-weight: 500;
}

/* 액션 버튼 그룹 */
.action-buttons {
    display: flex;
    gap: 4px;
    align-items: center;
}

.btn-success {
    background: var(--success);
    color: var(--white);
}

.btn-success:hover {
    background: #16a34a;
}

/* 액션 버튼들 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    border-radius: var(--radius);
    font-size: 11px;
    font-weight: 500;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--primary-hover);
}

.btn-secondary {
    background: var(--gray-100);
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}

.btn-secondary:hover {
    background: var(--gray-200);
    color: var(--gray-800);
}

.btn-danger {
    background: var(--danger);
    color: var(--white);
}

.btn-danger:hover {
    background: #dc2626;
}

.btn-sm {
    padding: 4px 8px;
    font-size: 10px;
}

/* 유틸리티 클래스 */
.d-flex {
    display: flex;
}

.justify-between {
    justify-content: space-between;
}

.align-center {
    align-items: center;
}

.gap-10 {
    gap: 10px;
}

.text-muted {
    color: var(--gray-500);
}

.text-danger {
    color: var(--danger);
}

/* 페이징 */
.pagination-container {
    padding: 16px 20px;
    border-top: 1px solid var(--gray-200);
    background: var(--gray-50);
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 4px;
}

.page-btn {
    padding: 6px 12px;
    border: 1px solid var(--gray-300);
    background: var(--white);
    color: var(--gray-700);
    text-decoration: none;
    border-radius: var(--radius);
    font-size: 12px;
    transition: all 0.2s ease;
}

.page-btn:hover {
    background: var(--gray-100);
    border-color: var(--gray-400);
}

.page-btn.active {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

/* 빈 상태 */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--gray-500);
}

.empty-state i {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state h3 {
    margin: 0 0 8px 0;
    font-size: 16px;
    color: var(--gray-700);
}

.empty-state p {
    margin: 0;
    font-size: 13px;
}

/* ===================================
   템플릿 페이지 전용 스타일
   =================================== */

/* 템플릿 폼 레이아웃 */
.template-form-layout {
    display: grid;
    grid-template-columns: 6fr 4fr;
    gap: 24px;
    align-items: start;
}

.template-form-left {
    /* 왼쪽 폼 영역 */
}

.template-form-right {
    /* 오른쪽 변수 패널 영역 */
}

/* 변수 사이드바 */
.variables-sidebar {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin: 0;
    position: sticky;
    top: 20px;
}

.variables-header {
    background: var(--primary-light);
    padding: 12px;
    border-bottom: 1px solid var(--gray-200);
}

.variables-header h4 {
    margin: 0 0 6px 0;
    font-size: 15px;
    font-weight: 600;
    color: var(--gray-900);
    display: flex;
    align-items: center;
    gap: 8px;
}

.variables-header h4 i {
    color: var(--primary);
    font-size: 14px;
}

.variables-header small {
    font-size: 12px;
    color: var(--gray-600);
}

.variables-list {
    padding: 16px;
}

.variable-group {
    margin-bottom: 20px;
}

.variable-group h5 {
    margin: 0 0 10px 0;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-700);
    display: flex;
    align-items: center;
    gap: 6px;
}

.variable-group h5 i {
    color: var(--primary);
    font-size: 12px;
}

.variable-tag {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
    margin: 3px 6px 3px 0;
    transition: all 0.2s ease;
}

.variable-tag:hover {
    background: var(--primary);
    color: var(--white);
}

/* 특약내용 섹션 */
.special-content-section {
    padding: 12px;
    border-top: 1px solid var(--gray-200);
}

.special-content-section h5 {
    margin: 0 0 10px 0;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-700);
    display: flex;
    align-items: center;
    gap: 6px;
}

.special-content-section h5 i {
    color: var(--accent-pink);
    font-size: 12px;
}

.special-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
}

.special-btn {
    background: var(--accent-pink);
    color: var(--white);
    border: none;
    padding: 6px 10px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.special-btn:hover {
    background: #db2777;
}

/* 템플릿 예시 */
.template-examples {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.example-item {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
    transition: all 0.2s ease;
}

.example-item:hover {
    border-color: var(--primary);
    box-shadow: 0 2px 8px rgba(91, 95, 207, 0.1);
}

.example-header {
    background: var(--gray-50);
    padding: 16px;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    gap: 10px;
}

.example-header i {
    color: var(--primary);
    font-size: 16px;
}

.example-header strong {
    font-size: 15px;
    color: var(--gray-900);
}

.usage-badge {
    background: var(--success);
    color: var(--white);
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 500;
    margin-left: auto;
}

.usage-description {
    padding: 16px;
    border-bottom: 1px solid var(--gray-100);
}

.usage-description strong {
    font-size: 14px;
    color: var(--gray-800);
}

.usage-description p {
    margin: 6px 0 0 0;
    font-size: 13px;
    color: var(--gray-600);
    line-height: 1.5;
}

.template-preview {
    padding: 16px;
}

.template-preview strong {
    font-size: 13px;
    color: var(--gray-700);
}

.preview-text {
    margin-top: 10px;
    padding: 12px;
    background: var(--gray-50);
    border-radius: var(--radius);
    font-size: 12px;
    line-height: 1.5;
    color: var(--gray-600);
    border-left: 3px solid var(--primary);
}

/* 메시지 정보 */
.message-info {
    margin-top: 8px;
    font-size: 11px;
    color: var(--gray-600);
}

.mt-10 {
    margin-top: 10px;
}

/* 타입 배지 */
.type-badge {
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 10px;
    font-weight: 500;
}

.type-sms {
    background: var(--success-light);
    color: var(--success);
}

.type-lms {
    background: var(--warning-light);
    color: var(--warning);
}

/* 테이블 스타일 보완 */
.table-responsive table {
    width: 100%;
    border-collapse: collapse;
}

.table-responsive th,
.table-responsive td {
    padding: 12px 16px;
    font-size: 12px;
    border-bottom: 1px solid var(--gray-100);
    text-align: left;
}

.table-responsive th {
    background: var(--gray-50);
    font-weight: 600;
    color: var(--gray-700);
}

.table-responsive td {
    color: var(--gray-700);
}

.text-center {
    text-align: center;
}

/* 템플릿 폼 버튼 그룹 */
.template-form-layout .form-group:last-child {
    margin-top: 24px;
    padding: 16px 0;
    border-top: 1px solid var(--gray-200);
    display: flex;
    gap: 12px;
}

.template-form-layout .form-group button,
.template-form-layout .form-group a {
    padding: 10px 20px;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(91, 95, 207, 0.3);
}

.btn-secondary {
    background: var(--gray-100);
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}

.btn-secondary:hover {
    background: var(--gray-200);
    color: var(--gray-800);
}

/* 템플릿 액션 버튼들 */
.template-action-buttons {
    display: flex;
    gap: 4px;
}

/* ===================================
   발송내역 페이지 전용 스타일
   =================================== */

/* 통계 컨테이너 */
.stats-container {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 20px;
}

.stats-container h3 {
    margin: 0 0 16px 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-900);
    display: flex;
    align-items: center;
    gap: 6px;
}

.stats-container h3 i {
    color: var(--primary);
    font-size: 13px;
}

/* 통계 탭 */
.stats-tabs {
    margin-top: 16px;
}

.tab-buttons {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--gray-200);
}

.tab-btn {
    background: none;
    border: none;
    padding: 8px 16px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 500;
    color: var(--gray-600);
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
}

.tab-btn:hover {
    color: var(--primary);
}

.tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* 통계 카드 색상 변형 */
.stat-card.success .stat-number {
    color: var(--success);
}

.stat-card.failed .stat-number {
    color: var(--danger);
}

.stat-card.cost .stat-number {
    color: var(--accent-purple);
}

/* 검색 폼 */
.search-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 16px;
}

.search-row:last-child {
    margin-bottom: 0;
}

.search-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.search-group label {
    font-size: 12px;
    font-weight: 500;
    color: var(--gray-700);
}

/* 메시지 셀 */
.message-cell {
    max-width: 200px;
}

.message-preview,
.message-full {
    font-size: 12px;
    line-height: 1.4;
    word-break: break-word;
}

.btn-link {
    background: none;
    border: none;
    color: var(--primary);
    font-size: 11px;
    cursor: pointer;
    text-decoration: underline;
    padding: 0;
}

.btn-link:hover {
    color: var(--primary-hover);
}

/* 상태 배지 */
.status-badge {
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.status-badge.success {
    background: var(--success-light);
    color: var(--success);
}

.status-badge.failed {
    background: var(--danger-light);
    color: var(--danger);
}

.status-badge i {
    font-size: 10px;
}

/* 모달 */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    background: var(--white);
    margin: 10% auto;
    padding: 0;
    border-radius: var(--radius);
    width: 90%;
    max-width: 500px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--gray-200);
    background: var(--gray-50);
    border-radius: var(--radius) var(--radius) 0 0;
}

.modal-header h3 {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-900);
    display: flex;
    align-items: center;
    gap: 6px;
}

.modal-header h3 i {
    color: var(--primary);
    font-size: 13px;
}

.modal-close {
    font-size: 24px;
    font-weight: bold;
    color: var(--gray-500);
    cursor: pointer;
    line-height: 1;
}

.modal-close:hover {
    color: var(--gray-700);
}

.modal-body {
    padding: 20px;
}

/* 모바일 반응형 - 연락처 페이지 */
@media (max-width: 768px) {
    .stats-row {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
        margin-bottom: 12px;
    }

    .stat-card {
        padding: 10px 8px;
    }

    .stat-card .stat-number {
        font-size: 14px;
    }

    .stat-card .stat-label {
        font-size: 9px;
    }

    .search-form .d-flex {
        flex-direction: column;
        gap: 8px;
    }

    .table th,
    .table td {
        padding: 8px 12px;
        font-size: 11px;
    }

    .table-header {
        padding: 12px 16px;
    }

    /* 템플릿 페이지 모바일 */
    .template-form-layout {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .variables-sidebar {
        position: relative;
        top: auto;
    }

    .template-form-layout .form-group:last-child {
        flex-direction: column;
        gap: 8px;
    }

    .template-examples {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .example-header {
        padding: 12px;
    }

    .example-header strong {
        font-size: 14px;
    }

    .usage-description {
        padding: 12px;
    }

    .template-preview {
        padding: 12px;
    }

    /* 발송내역 페이지 모바일 */
    .search-row {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .modal-content {
        width: 95%;
        margin: 5% auto;
    }

    .stats-container {
        padding: 16px;
    }

    .tab-buttons {
        justify-content: center;
    }
}

/* ===================================
   설정 페이지 스타일
   =================================== */

/* 설정 컨테이너 */
.settings-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.settings-header {
    text-align: center;
    margin-bottom: 40px;
    padding: 40px 0 20px;
    border-bottom: 2px solid var(--gray-200);
}

.settings-header h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--gray-900);
    margin: 0 0 12px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.settings-header h1 i {
    color: var(--primary);
    font-size: 24px;
}

.settings-header p {
    font-size: 16px;
    color: var(--gray-600);
    margin: 0;
    font-weight: 500;
}

/* API 가이드 */
.api-guide {
    background: var(--info-bg);
    border: 1px solid var(--info);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 32px;
}

.api-guide h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--info);
    margin: 0 0 16px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.api-guide p {
    font-size: 14px;
    color: var(--gray-700);
    margin: 8px 0;
    line-height: 1.6;
}

.api-guide a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.api-guide a:hover {
    text-decoration: underline;
}

/* 잔여 포인트 */
.balance-info {
    background: var(--success-bg);
    border: 1px solid var(--success);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 32px;
}

.balance-info.error {
    background: var(--danger-bg);
    border-color: var(--danger);
}

.balance-info h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--success);
    margin: 0 0 20px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.balance-info.error h3 {
    color: var(--danger);
}

.balance-info p {
    font-size: 16px;
    color: var(--gray-700);
    margin: 0;
    text-align: center;
}

/* 잔여 포인트 그리드 */
.balance-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 20px;
}

.balance-item {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 16px;
    text-align: center;
    transition: var(--transition);
}

.balance-item.sms {
    border-color: var(--primary);
}

.balance-item.lms {
    border-color: var(--accent-purple);
}

.balance-type {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.balance-item.sms .balance-type {
    color: var(--primary);
}

.balance-item.lms .balance-type {
    color: var(--accent-purple);
}

.balance-count {
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.balance-cost {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-600);
    margin-bottom: 6px;
}

.balance-total-cost {
    font-size: 12px;
    font-weight: 700;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    background: var(--gray-100);
    color: var(--gray-700);
}

.balance-note {
    margin-top: 16px;
    padding: 12px;
    background: var(--gray-50);
    border-radius: var(--radius);
    text-align: center;
}

.balance-note small {
    color: var(--gray-600);
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.balance-note i {
    color: var(--info);
}

/* 총 포인트 */
.balance-total-points {
    text-align: center;
    padding: 16px;
    background: rgba(34, 197, 94, 0.1);
    border-radius: var(--radius);
    border: 1px solid var(--success);
    margin-bottom: 16px;
}

.balance-total-points span {
    font-size: 18px;
    color: var(--gray-700);
    font-weight: 600;
}

.balance-total-points strong {
    color: var(--success);
    font-weight: 700;
    font-size: 22px;
}

/* 총 금액 */
.balance-total {
    text-align: center;
    padding: 16px;
    background: rgba(34, 197, 94, 0.1);
    border-radius: var(--radius);
    border: 1px solid var(--success);
}

.balance-total span {
    font-size: 16px;
    color: var(--gray-700);
}

.balance-total strong {
    color: var(--success);
    font-weight: 700;
    font-size: 18px;
}

/* 설정 폼 */
.settings-form {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow);
}

.settings-form .form-group {
    margin-bottom: 24px;
}

.settings-form .form-group:last-of-type {
    margin-bottom: 32px;
}

.settings-form label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.settings-form label i {
    color: var(--primary);
    font-size: 16px;
    width: 16px;
}

.settings-form input[type="text"] {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition);
    background: var(--gray-50);
    color: var(--gray-800);
}

.settings-form input[type="text"]:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.form-help {
    margin-top: 6px;
    font-size: 12px;
    color: var(--gray-500);
    line-height: 1.4;
}

/* 저장 버튼 */
.btn-save {
    width: 100%;
    background: linear-gradient(135deg, var(--primary), var(--accent-purple));
    color: white;
    border: none;
    padding: 16px 24px;
    border-radius: var(--radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 4px 12px rgba(91, 95, 207, 0.3);
}

.btn-save:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(91, 95, 207, 0.4);
}

.btn-save:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-save i {
    font-size: 18px;
}

/* 설정 페이지 모바일 반응형 */
@media (max-width: 768px) {
    .settings-container {
        padding: 0 16px;
    }

    .settings-header {
        padding: 24px 0 16px;
        margin-bottom: 24px;
    }

    .settings-header h1 {
        font-size: 24px;
        flex-direction: column;
        gap: 8px;
    }

    .api-guide,
    .balance-info,
    .settings-form {
        padding: 20px;
        margin-bottom: 24px;
    }

    .settings-form input[type="text"] {
        padding: 10px 12px;
    }

    .balance-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .balance-item {
        padding: 12px;
    }

    .balance-count {
        font-size: 18px;
    }

    .balance-total-points {
        padding: 12px;
        margin-bottom: 12px;
    }

    .balance-total-points strong {
        font-size: 20px;
    }

    .balance-total {
        padding: 12px;
    }
}